CVE-2021-32574
mediumpriority · track · 31EPSS 0.015 · 73 %ileEURUUSEPSS · scored 2026-10-27
HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (13)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- GHSA-25gf-8qrr-g78rHashicorp Consul Missing SSL Certificate Validation2021-07-19ghsa · osvUS
HashiCorp Consul before 1.10.1 (and Consul Enterprise) has Missing SSL Certificate Validation. xds does not ensure that the Subject Alternative Name of an upstream is validated.
- BIT-consul-2021-325742024-03-06vendor · osvUS
HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.
- GO-2022-0894Hashicorp Consul Missing SSL Certificate Validation in github.com/hashicorp/consul2024-08-21vendor · osvUS
Hashicorp Consul Missing SSL Certificate Validation in github.com/hashicorp/consul
also known as (7)
Other names and identifiers for this entity.
- CNNVD-202107-1239cnnvd
- EUVD-2021-1430enisa_euvd
- BDU:2022-01882fstec_bdu
- GHSA-25gf-8qrr-g78renisa_euvd
- BIT-consul-2021-32574osv
- GHSA-25gf-8qrr-g78rosv
- GO-2022-0894osv
sources
Which sources assert this record, and when.
references (16)
External citations — patches, advisories, analysis.
- https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856cnnvd
- https://github.com/hashicorp/consul/releases/tag/v1.10.1cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-32574cnnvd
- https://packetstormsecurity.com/files/168026/Gentoo-Linux-Security-Advisory-202208-09.htmlcnnvd
- https://security.gentoo.org/glsa/202208-09cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021071907cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021072709cnnvd
- https://www.hashicorp.com/blog/category/consulcnnvd
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